Brand:Schneider PLC Item No.: TWDLMDA20DTK Product Origin:France Product Dimensions:108 × 7.2 × 7.2 mm Product Weight:0.3 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider TWDLMDA20DTK Modular Base Controller is a compact PLC designed for industrial automation applications that demand reliable control, flexible expansion, and fast digital signal processing. Featuring an integrated CPU with 12 digital inputs and 8 high-speed transistor outputs, it provides a complete automation platform for machine builders and system integrators.
Supporting up to four expansion modules, built-in RS232/RS485 communication, and optional memory and RTC cartridges, the TWDLMDA20DTK offers excellent flexibility for growing automation requirements. Its robust Twido architecture continues to make it a trusted solution for maintaining existing industrial control systems while delivering dependable long-term performance.
Technical Specifications
Specification
Details
Manufacturer
Schneider Electric
Model
TWDLMDA20DTK
Product Family
Twido
Module Type
Modular Base Controller
PLC Type
Modular PLC
Supply Voltage
24 VDC
Operating Voltage Range
20.4…26.4 VDC
Digital Inputs
12 × 24 VDC
Input Type
Sink / Source
Digital Outputs
8 × Transistor (PNP Source)
Output Voltage
24 VDC
Output Current
0.3 A per output
Total Digital I/O
20 Points
Expansion Capacity
Up to 4 I/O Expansion Modules
Communication Ports
RS232, RS485
Memory Expansion
32 KB Memory Cartridge
RTC Support
Yes
Program Capacity
Approximately 3,000 Instructions
Mounting Type
DIN Rail
Protection Rating
IP20
Operating Temperature
0…55°C
Dimensions
Approx. 90 × 47.5 × 70 mm
Weight
Approx. 0.18 kg
Recommended Companion Models
Model
Product Name
Schneider TWDNOZ485D
Twido RS485 Communication Adapter
Schneider TWDXCPMFK32
Twido Memory Cartridge
Schneider TWDDDI16DT
Twido Digital Input Module
Schneider TWDDDO8TT
Twido Digital Output Module
Frequently Selected Alternatives
Model
Product Name
Schneider TWDLMDA20DUK
Twido Modular Base Controller
Schneider TWDLMDA40DTK
Twido Modular Base Controller
Schneider TM221M16T
Modicon M221 Logic Controller
Schneider TM221M32TK
Modicon M221 Logic Controller
Where It Excels in Industrial Use
• Compact Machine Automation
The Schneider TWDLMDA20DTK is a Twido modular base controller designed for compact industrial automation systems. With integrated digital I/O and a built-in CPU, it provides reliable control for standalone machines, production equipment, and OEM applications.
• Packaging and Material Handling Systems
Its combination of high-speed transistor outputs and flexible digital inputs makes it well suited for packaging equipment, conveyors, sorting systems, and automated assembly stations where fast response is essential.
• Expandable Industrial Control Solutions
Supporting up to four I/O expansion modules, the controller allows engineers to increase system capacity without replacing the core PLC, making it ideal for scalable automation projects.
• Legacy Twido System Maintenance
The TWDLMDA20DTK remains an effective replacement solution for existing Twido installations, helping extend the operational life of established industrial automation systems.
Key Strengths at a Glance
• Integrated CPU with 20 Digital I/O
Combines the processor, 12 digital inputs, and 8 transistor (PNP source) outputs into one compact controller, reducing wiring complexity and panel space requirements.
• Fast Transistor Output Performance
The solid-state transistor outputs provide rapid switching for applications requiring frequent operation, such as positioning, sorting, and automated machine sequencing.
• Flexible Expansion Capability
Supports up to four Twido expansion modules, enabling future I/O growth while maintaining a compact controller architecture.
• Integrated Communication Interfaces
Includes built-in RS232 and RS485 serial communication ports for programming, diagnostics, and Modbus-based industrial networking.
Technical FAQs
1. What type of controller is the Schneider TWDLMDA20DTK?
The TWDLMDA20DTK is a Twido modular base PLC controller with integrated CPU, digital inputs, and transistor outputs.
2. How many onboard digital inputs and outputs are available?
The controller provides 12 digital inputs and 8 transistor (source) digital outputs, giving a total of 20 onboard I/O points.
3. What supply voltage is required?
The controller operates from a nominal 24 VDC power supply with an allowable operating range of approximately 20.4 to 26.4 VDC.
4. What type of digital outputs are provided?
It features eight 24 VDC PNP transistor (source) outputs suitable for high-speed switching applications.
5. How many expansion modules can be connected?
The TWDLMDA20DTK supports up to four compatible Twido I/O expansion modules.
6. Which programming software supports this controller?
The controller is programmed and configured using Schneider Electric TwidoSuite software.
7. What communication interfaces are built into the controller?
The unit includes integrated RS232 and RS485 serial communication ports supporting Modbus communication and PLC programming.
8. Does the controller support memory expansion?
Yes. It provides slots for an optional 32 KB memory cartridge and a real-time clock cartridge.
9. What industrial applications commonly use the TWDLMDA20DTK?
It is widely used in packaging machinery, conveyor systems, material handling equipment, OEM machines, and general factory automation requiring compact PLC control.
10. Is the TWDLMDA20DTK still available from Schneider Electric?
The controller has been discontinued and is typically used for maintenance, spare parts, and legacy system support.
